O'Haire
Key Takeaway
O'Haire is classified as low hazard in Montana. It was completed in 1954 and is 72 years old. Its primary use is irrigation.
Physical Details
| Dam Height | 23 ft (taller than 66.4% in MT) |
| Dam Length | 50 ft |
| Dam Type | Earth |
| Max Storage | 320 acre-ft |
| Normal Storage | 300 acre-ft |
| Drainage Area | 8 sq mi |
| Max Discharge | 110 cfs |
| Year Completed | 1954 (72 years old) |
| NID ID | MT00440 |
Safety Information
No probable loss of human life and low economic/environmental losses expected.
Hazard potential describes downstream consequences of failure, not the dam's current condition. What does this mean?
Ownership
DORIS G IVERSON
Private
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Low Hazard 25 ftFrequently Asked Questions
What is the hazard classification of O'Haire?
O'Haire is classified as Low Hazard. No probable loss of human life and low economic/environmental losses expected. This classification refers to the potential downstream consequences of a failure, not the dam's current structural condition.
Who owns and operates O'Haire?
O'Haire is owned by DORIS G IVERSON (Private). The owner is responsible for maintenance, inspections, and compliance with dam safety regulations.
When was O'Haire built?
O'Haire was completed in 1954, making it 72 years old. Many U.S. dams were built between the 1930s and 1970s during a period of major infrastructure investment.
What is the primary purpose of O'Haire?
O'Haire serves the following purposes: Irrigation. Many dams in the U.S. are multi-purpose, supporting flood control, water supply, recreation, and other uses.
How tall is O'Haire?
O'Haire has a dam height of 23 ft. Dam height is measured from the natural streambed at the downstream toe to the top of the dam, and may differ from the visible height.